13. A man sells an article at a profit of 20%. If he had bought it at 20% less and sold it for Rs 5 less, he would have gained 25%. Find the cost price of the article.
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Answered by
0
Answer:
100 rs
Step-by-step explanation:
Correct option is
A
Rs. 1100
Let C.P. be X
Hence, S.P. =X+20% of X=X+
100
20
×X=1.2X
If he had bought it for 20% less
Then, new C.P. =X−20% of X=X−
100
20
X=0.8X
And new S.P. =1.2X−264
Gain =20%
⇒
.8X
(1.2X−264)−.8X
=
100
20
⇒
.8X
.4X−264
=
100
20
⇒40x−26400=16x
⇒24x=26400
⇒X=1100
Thus, C.P. of the article = Rs. 1100.
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